#!/usr/bin/make -f

RTS_WAYS := $(shell ghc --info | grep -e 'RTS ways')

export DEB_SETUP_GHC_CONFIGURE_ARGS := $(shell test -e /usr/bin/ghci || echo --flags=-th)

ifeq (,$(filter $(RTS_WAYS),thr_dyn))
export DEB_SETUP_GHC_CONFIGURE_ARGS += --flags=-threaded
endif

export DEB_ENABLE_TESTS = yes

# haskell-aeson needs a lot of memory during compilation.
# Unfortunately, this amount of memory is not available on all platforms,
# and error: "virtual memory exhausted: Cannot allocate memory." could appear.
#
# In this case possible solution could be using ggc-min-expand.
# This parameter specifies the minimum percentage by which the
# garbage collector’s heap should be allowed to expand between collections.
# Tuning this may improve compilation speed; it has no effect on code generation.
#
# http://hostingfu.com/article/compiling-with-gcc-on-low-memory-vps
#  -- Dejan Latinovic <Dejan.Latinovic@imgtec.com>
ifneq (,$(filter $(DEB_BUILD_ARCH),mips mipsel))
	export DEB_SETUP_GHC_CONFIGURE_ARGS += --ghc-options="-optc--param -optcggc-min-expand=10"
endif

# Disable tests on powerpc due to memory constraints
ifneq (,$(filter $(DEB_BUILD_ARCH),powerpc))
	export DEB_ENABLE_TESTS = no
endif

%:
	dh $@